<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input @clear="getGoodList" clearable v-model="queryInfo.query" placeholder="请输入内容">
            <el-button @click="getGoodList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button @click="goAddPage" type="primary">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          width="110px"
          label="商品价格（元）"
          prop="goods_price"
        ></el-table-column>
        <el-table-column
          width="70px"
          label="商品重量"
          prop="goods_weight"
        ></el-table-column>
        <el-table-column width="140px" label="创建时间" prop="add_time">
          <!-- eslint-disable-next-line -->
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column width="130px" label="操作">
          <!-- eslint-disable-next-line -->
          <template slot-scope="scope">
            <el-button
              type="primary"
              size="mini"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              type="danger"
              size="mini"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
    <!-- 添加商品 -->
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize){
        this.queryInfo.pagesize = newSize
        this.getGoodList()
    },
    handleCurrentChange(newPage){
        this.queryInfo.pagenum = newPage
        this.getGoodList()
    },
    async removeById(id){
        const confirmResult = await this.$confirm('此操作将永久删除该商品是否继续？', '提示',{
            confirmButtonText:'确定',
            cancelButtonText:'取消',
            type:'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除')
        }
        const {data: res} = await this.$http.delete('goods/' + id)
        if(res.meta.status !== 200){
            return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodList()
    },
    goAddPage(){
        this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
